Compress PDF Online
Shrink PDF file size without visible quality loss
Large PDFs bounce from email servers and upload forms. This Compress PDF tool rebuilds the document with optimised object streams, font subsets and image encoding, cutting file size while keeping text sharp.
How to compress a PDF
- Upload the PDF.
- Click convert.
- Download the optimised copy and compare the size.
What gets optimised
- Duplicate and unused objects.
- Stream compression.
- Font subsetting and metadata cleanup.
Frequently asked questions
How much smaller will it be?
Text-heavy documents shrink modestly; image-heavy scans can shrink significantly.
Does text stay selectable?
Yes - the tool optimises structure, it does not rasterise pages.
Can I compress password-protected PDFs?
Remove the password first, then compress.